Handbook

N8406-023 1Gb Intelligent L3 Switch Application Guide 6
Configuration guidelines ................................................................................................................................ 143
Monitoring Uplink Failure Detection .............................................................................................................. 143
Configuring Uplink Failure Detection ............................................................................................................. 145
VRRP overview .................................................................................................................................................. 148
VRRP components ........................................................................................................................................ 148
VRRP operation .................................................................................................................................................. 149
Selecting the master VRRP router ................................................................................................................ 149
Failover methods ................................................................................................................................................ 149
Active-Active redundancy .............................................................................................................................. 150
Extensions to VRRP ........................................................................................................................................... 150
Tracking VRRP router priority ....................................................................................................................... 150
Virtual router deployment considerations ........................................................................................................... 150
Assigning VRRP virtual router ID .................................................................................................................. 151
Configuring the switch for tracking ................................................................................................................ 151
High availability configurations ........................................................................................................................... 151
Active-Active configuration ............................................................................................................................ 151
Troubleshooting tools
Introduction ......................................................................................................................................................... 162
Port Mirroring ...................................................................................................................................................... 162
Configuring Port Mirroring (AOS CLI example) ............................................................................................. 163
Configuring Port Mirroring (BBI example) ..................................................................................................... 164
Other network troubleshooting techniques ......................................................................................................... 166
Console and Syslog messages ..................................................................................................................... 166
Ping ............................................................................................................................................................... 166
Trace route .................................................................................................................................................... 166
Statistics and state information ..................................................................................................................... 166
Customer support tools ................................................................................................................................. 166